Remove obsolete functions

[toinehartman]

Remove some functions, copies of which also exist here:

https://github.com/usethesource/typepal/blob/60cb6ea4febf0bf1152ec0d81279ebacc7beaaf6/src/analysis/typepal/Collector.rsc#L35-L40

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 46%. Comparing base (e55b577) to head (70eec9e).
⚠️ Report is 30 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##              main   #2616   +/-   ##
=======================================
  Coverage       46%     46%           
- Complexity    6643    6659   +16     
=======================================
  Files          793     794    +1     
  Lines        65719   65746   +27     
  Branches      9844    9852    +8     
=======================================
+ Hits         30602   30629   +27     
+ Misses       32759   32754    -5     
- Partials      2358    2363    +5     

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[toinehartman]

@PaulKlint Can you please confirm which of the copies should remain?

[PaulKlint]

See remarks. It is fine to remove these functions.

[PaulKlint]

Looks fine, except extend in StaticTestingUtils

[toinehartman]

This needs the changes pending in usethesource/typepal#34